Soil & Environmental Health,
Journal Year:
2024,
Volume and Issue:
2(4), P. 100101 - 100101
Published: July 18, 2024
It
is
indisputable
that
microplastics
(MPs)
can
profoundly
alter
nitrogen
transformation
in
soil.
However,
it
remains
poorly
understood
how
MPs
impact
soil
processes.
This
review
systematically
analyzed
literature
published
recent
years
related
to
the
of
on
transformation.
After
reviewing
environmental
behavior
media,
mechanisms
action
and
key
factors
MPs'
effects
are
elucidated.
The
size,
shape,
concentration,
type
significantly
When
enter
soil,
they
affect
habitat
diversity
microorganisms
by
adsorbing
pollutants,
releasing
additives,
altering
physicochemical
characteristics
As
organic
substrates,
directly
microbial
community
structure
promoting
colonization.
Besides,
also
be
toxic
coming
into
direct
contact
with
cell
surfaces.
Microorganisms,
enzymes,
functional
genes
associated
respond
presence
MPs,
thereby
affecting
conversion
process.
At
last,
measures
mitigate
contamination
suggested.
article
highlights
factors,
leading
valuable
insights
microbially-mediated
processes
MP-contaminated
soils.
offers
useful
information
for
determining
regulation
assessing
ecological
risks
soils
contaminated
MPs.
Water,
Journal Year:
2024,
Volume and Issue:
16(2), P. 348 - 348
Published: Jan. 20, 2024
Plastic
debris
is
a
growing
threat
in
freshwater
ecosystems
and
transport
models
predict
that
many
plastics
will
sink
to
the
benthos.
Among
most
common
found
Laurentian
Great
Lakes
sediments
are
polyethylene
terephthalate
(especially
fibers;
PET),
polyvinylchloride
(particles;
PVC),
styrene-butadiene
rubber
resulting
from
tire
wear
(“crumb
rubber”;
SBR).
These
materials
vary
substantially
physical
chemical
properties,
their
impacts
on
benthic
biogeochemistry
microbial
community
structure
function
largely
unknown.
We
used
microcosm
approach
evaluate
impact
of
these
three
benthic-pelagic
coupling,
sediment
using
Irondequoit
Bay,
major
embayment
Lake
Ontario
Rochester,
New
York,
USA.
Benthic
metabolism
nitrogen
phosphorous
cycling
were
all
uniquely
impacted
by
different
polymers.
PET
fibers
PVC
particles
demonstrated
unique
effects,
with
decreased
ecosystem
containing
greater
nutrient
uptake
PVC.
Microbial
diversity
was
reduced
treatments
plastic,
but
SBR
had
substantial
function,
increasing
relative
importance
metabolic
pathways
such
as
hydrocarbon
degradation
sulfur
metabolism.
Our
results
suggest
individual
polymers
have
benthos,
divergent
implications
for
function.
This
provides
deeper
insight
into
myriad
ways
plastic
pollution
may
aquatic
help
inform
risk
assessment
policy
interventions
highlighting
which
pose
greatest
risk.
Environmental Pollution,
Journal Year:
2023,
Volume and Issue:
334, P. 122146 - 122146
Published: July 5, 2023
Soil
contamination
with
microplastics
may
adversely
affect
soil
properties
and
functions
consequently
crop
productivity.
In
this
study,
we
wanted
to
verify
whether
the
adverse
effects
of
in
on
maize
plants
(Zea
mays
L.)
are
due
a
reduction
nitrogen
(N)
availability
reduced
capacity
establish
symbiotic
relationships
arbuscular
mycorrhizal
(AM)
fungi.
To
do
this,
performed
pot
experiment
which
clayey
was
exposed
two
environmentally
relevant
concentrations
polypropylene
(PP;
one
most
used
plastic
materials)
microfibers
(0.4%
0.8%
w/w)
or
without
addition
N
fertilizer
inoculation
AM
The
began
after
had
been
incubated
at
23
°C
for
5
months.
PP
considerably
root
shoot
biomass,
leaf
area,
uptake,
content
tissue.
increased
concentration
soil.
Adding
did
not
alleviate
detrimental
plant
growth,
suggests
that
other
factors
besides
played
major
role.
Similarly,
although
presence
inhibit
colonization
by
fungi
(no
differences
were
observed
trait
between
uncontaminated
PP-contaminated
soils),
fungal
inoculum
failed
mitigate
negative
impact
growth.
Quite
opposite:
mycorrhization
further
biomass
accumulation.
Undoubtedly,
much
research
remains
be
done
shed
light
mechanisms
involved
determining
behavior
microplastic-contaminated
soils,
likely
complex.
This
is
priority
given
magnitude
its
potential
implications
human
environmental
health.
Soil Use and Management,
Journal Year:
2025,
Volume and Issue:
41(1)
Published: Jan. 1, 2025
Abstract
Microplastics
(MPs)
reach
the
soil
environment
through
application
of
recycled
water,
biosolids,
and
compost
in‐situ
weathering
plastic
mulch
used
in
agriculture.
This
review
provides
an
overview
sources
MP
input
to
their
interactions
with
biota,
thereby
impacting
biological
health.
MPs
contain
various
chemical
additives
can
be
ingested
by
activity
function.
also
serve
as
a
vector
for
inorganic
organic
contaminants.
These
environmental
contaminants
released
into
porewater
during
impact
biota.
Overall,
alter
soil's
physical
properties
habitat
microorganisms.
Soil
microorganisms
use
carbon
source
porous
proliferation.
Future
research
needs
focus
on
genomic
functional
diversity
microbes
impacted
contamination,
enabling
us
develop
strategies
mitigate
impacts
